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FOCUSING LAMP

If the ambient li ght is dim, push the LAMP button to illuminate the subject for focusing. After removi ng your finger from the button, the lamp stays on for 16 seconds, then turns off automatically to conserve power. If necessary, you can press the button once again. After taking a picture using the ringlight, the focusing lamp immediately goes out. To turn the focusing lamp off before the 16-sec. automatic timing period is up, simply switch off the power supply.

If the focusing lamp fails to light up after the LAMP button is pushed, it needs replacement. First, remove the power cord from the lens; then remove the lamp cover by unscrewing it counterclockwise. Then, whil e applying pressure, turn the old bulb counterclockwise and replace it with a new one. Align the protrusions at the base of the new bulb with the notched portion of the lamp housing and, while app lying pressure, turn the bulb clockwise until it is fully seated into position. Finally, replace the lamp cover. For your convenience, a spare bulb is provided with the lens.

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Nikon F/41F instruction manual Focusing Lamp